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Resonant X-Ray Scattering from Orbital Ordering inLaMnO3
Abstract
Dipole resonant x-ray scattering from ordered Mn $3d$ orbitals in $\mathrm{LaMn}{\mathrm{O}}_{3}$ has been observed near the Mn $K$-absorption edge. The polarization of the scattered photons is rotated from $\ensuremath{\sigma}$ to ${\ensuremath{\pi}}^{\ensuremath{'}}$ and the azimuthal angle dependence shows a characteristic twofold symmetry. A theory for the resonant scattering mechanism has been developed by considering the splitting of the Mn $4p$ levels due to the Mn $3d$ orbital ordering. The order parameter of the orbital ordering decreases above the N\'eel temperature ( ${T}_{N}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}140\mathrm{K}$) and disappears at ${T}_{O}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}780\mathrm{K}$, concomitant with a structural phase transition.
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Citations
Cited by
Jahn–Teller distortions, cation ordering and octahedral tilting in perovskites
Lufaso, M. W., & Woodward, P. M. (2004) · Acta Crystallographica Section B Structural Science · doi:10.1107/s0108768103026661 · Cited by 398
Orbital Ordering in Orthorhombic Perovskites
Goodenough, J. B., & Zhou, J.-S. (2007) · Journal of Materials Chemistry · doi:10.1039/b701805c · Cited by 67
Metadata
- Authors
- Murakami, Y., Hill, J. P., Gibbs, D., Blume, M., Koyama, I., Tanaka, M., Kawata, H., Arima, T., Tokura, Y., Hirota, K., & Endoh, Y.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1998-07-20
- Volume
- 81
- Issue
- 3
- Pages
- 582-585
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2149112730
- Cited by
- 598
- References
- 0
- FWCI
- 37.44
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Resonant X-Ray Scattering from Orbital Ordering inLaMnO3. https://app.cochat.ai/papers/10.1103/physrevlett.81.582
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- Murakami, Y., Hill, J. P., Gibbs, D., Blume, M., Koyama, I., Tanaka, M., Kawata, H., Arima, T., Tokura, Y., Hirota, K., & Endoh, Y. (1998). Resonant X-Ray Scattering from Orbital Ordering inLaMnO3. Physical Review Letters. https://doi.org/10.1103/physrevlett.81.582
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